Let's Debug

Test result for khongcotien.top using http-01

Debug
Requests made to the domain
Request to: khongcotien.top/134.209.32.26, Result: [Address=134.209.32.26,Address Type=IPv4,Server=Apache/2.4.6 (CentOS) mod_jk/1.2.48 OpenSSL/1.0.2k-fips,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://khongcotien.top/.well-known/acme-challenge/letsdebug-test (using initial IP 134.209.32.26)
@1ms: Dialing 134.209.32.26
@870ms: Server response: HTTP 404 404

Debug
A and AAAA records found for this domain
khongcotien.top. 0 IN A 134.209.32.26
Challenge update failures for khongcotien.top in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/1573441488
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from http://khongcotien.top/.well-known/acme-challenge/95DwucongOB4nhQNJQqsBmxfJ5x4V6cUOmqzLdQ4hOw [134.209.32.26]: "\n\n\n\n\n\n\n\n\n<html lang=\"en\">\n<head>\n\n\n <meta charset=\"utf-8\">\n <meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\">\n <met"
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for khongcotien.top is: top
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Jan 19 09:51:10 2022. Sat in queue for 175ms. Completed in 5s. Hide verbose information.